And about the depressing part... This episode is about Patrick trying to get Spongebob back (Spongebob decided to live in the wilderness). He begs him to come back and slowly becomes overly attached,resulting Patrick to hunt Spongebob and trying to catch him. To make it more depressing, in this episode,this song showed up,too: "Spongebob Squarepants Production Music - Sad Parting (a)"